CN205643198U - Nondestructive detection system of industry parts defect based on X ray - Google Patents
Nondestructive detection system of industry parts defect based on X ray Download PDFInfo
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- CN205643198U CN205643198U CN201521127135.0U CN201521127135U CN205643198U CN 205643198 U CN205643198 U CN 205643198U CN 201521127135 U CN201521127135 U CN 201521127135U CN 205643198 U CN205643198 U CN 205643198U
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Abstract
The utility model discloses a nondestructive detection system of industry parts defect based on X ray, include: X ray image equipment, its receipt pierce through the X ray of waiting to examine the industry parts, X ray image equipment is provided with interconnect's signal detection part and image formation unit spare, the image enhancement part, its receive real -time the original image signal that X ray image equipment generated, and it is right the original image signal carries out obtaining the enhanced imagery signal after the signal is strengthened handling, image acquisition card, its with the image enhancement part is connected, and the image workstation, its buffering portion and defect identification portion that is provided with interconnect, image acquisition card will gather enhanced imagery signal transfer arrives buffering portion. The utility model provides a defect detection efficiency is low among the prior art, repeatability is poor, and the technical problem of mistake very easily appears.
Description
Technical field
This utility model relates to industrial goods detection technique field, the nondestructive detection system of a kind of industrial part defect based on X-ray.
Background technology
Ray detection is one of important method of conventional Non-Destructive Testing, is widely used in Aeronautics and Astronautics, nuclear power, national defence and other industrial department, has played important function in commercial production and national economy.At present, in producing reality, ray detection commonly uses film camera method.The image quality of X-ray film photograph is higher, the authentic communication of test specimen defect truth can be correctly provided, but, it has, and operating process is complicated, operating cost is high, result is difficult to preserve and inquire about inconvenient to carry and comment sheet personnel's eyes easily by shortcomings such as high light damages.
In order to solve the problems referred to above, late 1990s occurs in that X-ray Digital photographic (Digital Radiography, DR) detection technique.X-ray digital camera system employs flat panel detector (flat panel detector), its pixel dimension is smaller than 0.1mm, thus its image quality and resolution almost can match in excellence or beauty with film camera, also overcoming the shortcoming showed in film camera, also the computer disposal for image provides conveniently simultaneously.Therefore, X-ray digital imaging system based on flat panel detector has broad application prospects at aspects such as Non-Destructive Testing and evaluation (NDT/NDE), container scanning, circuit board inspection and medical applications.
But, due to multifactorial impacts such as radiographic source, workpiece, imaging system, imaging process, the quality of the image obtained does not reaches the quality standard of regulation sometimes, causes image detail information to be blanked, the impact judgement to result.Simultaneously, the nondestructive detection system of existing industrial part defect based on X-ray carries out imaging by X-ray to detected industrial part, image after imaging is generally without any process step, directly show at display terminal, by the way of pure manual reading of drawings, carry out the defect screening of industrial part and judge, inefficiency, repeatable poor, and easily go wrong.
At present, it is directed to the industrial part defect nondestructive detection system of X-ray, it is generally basede on image gradient or Hessian matrix to detect position and the pattern of defect in industrial part, the testing result of this detecting system is easily affected by image noise and gradation of image skewness, cause detection efficient and accuracy the highest, and less stable.
Utility model content
For above-mentioned technical problem, this utility model proposes a kind of industrial part defect based on X-ray nondestructive detection system and, this system is based on x-ray imaging technology, use radioscopic image Intelligent treatment technology and image enhaucament parts, for the internal flaw of Non-Destructive Testing industrial devices, solve defect detection inefficiency in prior art, the repeatable poor and technical problem that easily goes wrong.
In order to realize according to these purposes of the present utility model and further advantage, it is provided that the nondestructive detection system of a kind of industrial part defect based on X-ray, including:
X-ray imaging equipment, its reception penetrates the X-ray of industrial part to be checked, and described x-ray imaging equipment is provided with interconnective acquisition of signal parts and image-forming block；
Image enhaucament parts, the original image signal that x-ray imaging equipment described in its real-time reception generates, and obtain strengthening picture signal after described original image signal carries out signal reinforcement process；
Image pick-up card, it is connected with described image enhaucament parts；And
Image workstation, it is provided with interconnective buffer part and defect recognition portion, and the described enhancing picture signal collected is sent to described buffer part by described image pick-up card.
Preferably, the surface of emission of described signal sensor component alignment X-ray emitter.
Preferably, the nondestructive detection system of industrial part defect based on X-ray also includes pre-signal pretreatment unit, and it is connected between described image-forming block and described image enhaucament parts.
Preferably, described image workstation also includes bin, server and display, and described bin, server and display are connected with described defect recognition portion respectively.
This utility model at least includes following beneficial effect:
1, the nondestructive detection system of industrial part defect based on X-ray of the present utility model achieves on-line continuous and detects the image collected, and improves detection speed and intelligence degree；
2, automatically detect the defect of display in image, the workload reduced a staff, improve detection efficiency and accuracy；
3, the process intermediate object program of generation during detection exports in real time, is simultaneously outputting to display end by multiple results of image procossing, beneficially observation analysis and carry out manual intervention in time, improves the accuracy detected；
4, final result information and the intermediate result information of process are backuped to server, conveniently preserve and transfer；
5, in this utility model, the parameter that x-ray source imaging and detector obtain image is controlled adjusting, it is possible to the image of Real-time Collection is optimized process, is effectively improved definition and the contrast of image, highlight defect, it is simple to follow-up to the analysis of defect details in image；
6, during this utility model solves existing detecting system, testing result is easily affected by image noise and gradation of image skewness, the problem causing testing result poor stability, improves detection stability and accuracy.
Part is embodied by further advantage of the present utility model, target and feature by description below, and part also will be by being understood by the person skilled in the art research of the present utility model and practice.
Accompanying drawing explanation
Fig. 1 is the block schematic illustration of the nondestructive detection system of industrial part defect based on X-ray of the present utility model；
Fig. 2 is the block schematic illustration of described image workstation.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
Should be appreciated that this utility model used such as " have ", other element one or more or the existence of a combination thereof or interpolation do not allotted in " comprising " and " including " term.
As shown in Figure 1-2, this utility model provides the nondestructive detection system of a kind of industrial part defect based on X-ray,
Including: x-ray imaging equipment, it receives the X-ray penetrating industrial part to be checked, described x-ray imaging equipment is provided with interconnective acquisition of signal parts and image-forming block, after the emergent ray of x-ray source passes industrial part to be checked, acquisition of signal parts captured in real time is through the X-ray signal after industrial part to be checked, image-forming block produces image stream data after receiving this X-ray signal, and generates original image signal；
Image enhaucament parts, the original image signal that x-ray imaging equipment described in its real-time reception generates, and obtain after described original image signal carries out signal reinforcement process strengthening picture signal, the image that x-ray imaging equipment can be collected by image enhaucament parts carries out real time enhancing, and possess plurality of optional algorithm for image enhancement according to the difference of destination object, can carry out the combination enhancing of algorithms of different according to demand, user can obtain enhanced radioscopic image in real time and have important function to accelerating object defects detection speed；
Image pick-up card, it is connected with described image enhaucament parts, is used for gathering described enhancing picture signal；And
Image workstation, it is provided with interconnective buffer part and defect recognition portion, the described enhancing picture signal collected is sent to described buffer part by described image pick-up card, strengthen picture signal after buffer part buffers, enter defect recognition portion, equipped with analyzing software in defect recognition portion, it analyzes defective locations and the pattern of industrial part to be checked according to described enhancing picture signal, and shows.
In technique scheme, the surface of emission of described signal sensor component alignment X-ray emitter, consequently facilitating acquisition of signal parts real-time reception is through the X-ray of industrial part to be checked.
In another kind of embodiment, the nondestructive detection system of described industrial part defect based on X-ray also includes pre-signal pretreatment unit, it is connected between described image-forming block and described image enhaucament parts, for original image signal carries out pretreatment, takes out noise and interference.
In another kind of embodiment, in the nondestructive detection system of described industrial part defect based on X-ray, described image workstation also includes bin, server and display, described bin, server and display are connected with described defect recognition portion respectively, original image signal, strengthen picture signal, picture signal and other intermediate image signals after finally processing are stored in described bin, and backup is in described service wherein, display can show above-mentioned original image signal, strengthen picture signal, picture signal after finally processing and other intermediate image signals.
Finally, final result and the intermediate object program of process are backuped to server, conveniently preserves and transfer.
In technique scheme, the detection method of the nondestructive detection system of industrial part defect based on X-ray, specifically include following steps:
Step 1) use X-ray emitter searchlighting industrial part to be checked, acquisition of signal parts real-time reception penetrates the X-ray of industrial part to be checked, this X-ray carries industrial part defective locations to be checked and the information of pattern, after image-forming block receives this X-ray, generates original image signal；
Step 2) original image signal described in image enhaucament parts real-time reception, obtain gray level image, and carry out Image semantic classification；Pretreated image is carried out multiple dimensioned process, obtain original image down-sampled images under different scale, the multiple dimensioned similar function of each location of pixels in structure gray level image, calculate the maximum output response in the multiple dimensioned factor of similar function corresponding to each pixel, obtain strengthening picture signal；
Step 3) strengthen picture signal described in image pick-up card Real-time Collection, and be sent to the buffer part of image workstation, image workstation will strengthen picture signal and show over the display；
Step 4) according to strengthening defect contour curve in gray level image in picture signal structure industrial part to be checked, carry out the first location of defect area；Construct signed distance function according to described contour curve, solve each pixel minimum distance to defect profile curve；
Step 5) according to described distance function, the mixed tensor function of defect in structural map picture, maximize the mixed tensor function constructed, and calculate the described distance function partial differential equation to the time, obtain defect region segmentation curve C in the picturef, complete region recognition；
Step 6) image co-registration and defective locations judge, position and the pattern of defect can be analyzed, achieve on-line continuous and detect the image collected, in commercial Application, can be by the pattern of streamline, quickly defect each industrial part to be checked within detection, it is achieved nondestructive inspection, improves and detects speed and intelligence degree；Meanwhile, this detecting system detects the defect of display in image automatically, in real time by image information display out, it is simple to analyzes contrast, the workload reduced a staff, improves detection efficiency and accuracy.
From the above mentioned, the nondestructive detection system of existing industrial part defect based on X-ray carries out imaging by X-ray to detected industrial part, image after imaging is generally without any process step, directly show at display terminal, by the way of pure manual reading of drawings, carry out the defect screening of industrial part and judge, inefficiency, repeatable poor, and easily go wrong.Further, being generally basede on image gradient or Hessian matrix currently for the industrial part defect nondestructive detection system in X-ray, testing result is easily affected by image noise and gradation of image skewness, less stable.
For this, this utility model is based on x-ray imaging technology, use radioscopic image Intelligent treatment technology, for the internal flaw of Non-Destructive Testing industrial devices, solve defect detection inefficiency in prior art, the repeatable poor and technical problem that easily goes wrong.
Specifically, the nondestructive detection system of industrial part defect based on X-ray of the present utility model achieves on-line continuous and detects the image collected, and improves detection speed and intelligence degree；Meanwhile, detecting system of the present utility model detects the defect of display in image, the workload reduced a staff automatically, improves detection efficiency and accuracy；
Further, the process intermediate object program of generation during detection exports in real time, is simultaneously outputting to display end by multiple results of image procossing, beneficially observation analysis and carry out manual intervention in time, improves the accuracy detected；
Further, final result and the intermediate object program of process are backuped to server, conveniently preserves and transfer；
Further, in this utility model, the parameter that x-ray source imaging and detector obtain image is controlled adjusting, and the image of Real-time Collection can be optimized process, it is effectively improved definition and the contrast of image, highlights defect, it is simple to be follow-up to the analysis of defect details in image；
Although embodiment of the present utility model is disclosed as above, but it is not restricted in description and embodiment listed utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited to specific details and shown here as the legend with description.
Claims (4)
1. the nondestructive detection system of an industrial part defect based on X-ray, it is characterised in that including:
X-ray imaging equipment, its reception penetrates the X-ray of industrial part to be checked, and described x-ray imaging equipment is provided with phase
The acquisition of signal parts connected and image-forming block；
Image enhaucament parts, the original image signal that x-ray imaging equipment described in its real-time reception generates, and to described original
Picture signal obtains after carrying out signal reinforcement process strengthening picture signal；
Image pick-up card, it is connected with described image enhaucament parts；And
Image workstation, it is provided with interconnective buffer part and defect recognition portion, and described image pick-up card will collect
Described enhancing picture signal is sent to described buffer part.
2. the nondestructive detection system of industrial part defect based on X-ray as claimed in claim 1, it is characterised in that
The surface of emission of described signal sensor component alignment X-ray emitter.
3. the nondestructive detection system of industrial part defect based on X-ray as claimed in claim 2, it is characterised in that
Also including pre-signal pretreatment unit, it is connected between described image-forming block and described image enhaucament parts.
4. the nondestructive detection system of industrial part defect based on X-ray as claimed in claim 3, it is characterised in that
Described image workstation also includes bin, server and display, and described bin, server and display are respectively
It is connected with described defect recognition portion.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426712A (en) * | 2019-12-27 | 2020-07-17 | 江苏兴华胶带股份有限公司 | Automatic anchor chain detection system based on X-ray mapping |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426712A (en) * | 2019-12-27 | 2020-07-17 | 江苏兴华胶带股份有限公司 | Automatic anchor chain detection system based on X-ray mapping |
| WO2021128934A1 (en) * | 2019-12-27 | 2021-07-01 | 江苏兴华胶带股份有限公司 | X-ray mapping-based automatic anchor chain detection system |
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